/*
 * Copyright (C) 2012 Colin Walters <walters@verbum.org>
 *
 * SPDX-License-Identifier: LGPL-2.0+
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library. If not, see <https://www.gnu.org/licenses/>.
 */

#pragma once

#ifndef __GI_SCANNER__

#include "libglnx.h"

G_BEGIN_DECLS

#define OSTREE_TYPE_FETCHER (_ostree_fetcher_get_type ())
#define OSTREE_FETCHER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), OSTREE_TYPE_FETCHER, OstreeFetcher))
#define OSTREE_FETCHER_CLASS(k) \
  (G_TYPE_CHECK_CLASS_CAST ((k), OSTREE_TYPE_FETCHER, OstreeFetcherClass))
#define OSTREE_IS_FETCHER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), OSTREE_TYPE_FETCHER))
#define OSTREE_IS_FETCHER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), OSTREE_TYPE_FETCHER))
#define OSTREE_FETCHER_GET_CLASS(o) \
  (G_TYPE_INSTANCE_GET_CLASS ((o), OSTREE_TYPE_FETCHER, OstreeFetcherClass))

/* Lower values have higher priority */
#define OSTREE_FETCHER_DEFAULT_PRIORITY 0

typedef struct OstreeFetcherURI OstreeFetcherURI;

typedef struct OstreeFetcherClass OstreeFetcherClass;
typedef struct OstreeFetcher OstreeFetcher;

struct OstreeFetcherClass
{
  GObjectClass parent_class;
};

G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeFetcher, g_object_unref)

typedef enum
{
  OSTREE_FETCHER_FLAGS_NONE = 0,
  OSTREE_FETCHER_FLAGS_TLS_PERMISSIVE = (1 << 0),
  OSTREE_FETCHER_FLAGS_TRANSFER_GZIP = (1 << 1),
  OSTREE_FETCHER_FLAGS_DISABLE_HTTP2 = (1 << 2),
} OstreeFetcherConfigFlags;

typedef enum
{
  OSTREE_FETCHER_REQUEST_NUL_TERMINATION = (1 << 0),
  OSTREE_FETCHER_REQUEST_OPTIONAL_CONTENT = (1 << 1),
  OSTREE_FETCHER_REQUEST_LINKABLE = (1 << 2),
} OstreeFetcherRequestFlags;

void _ostree_fetcher_uri_free (OstreeFetcherURI *uri);
G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeFetcherURI, _ostree_fetcher_uri_free)

OstreeFetcherURI *_ostree_fetcher_uri_parse (const char *str, GError **error);

OstreeFetcherURI *_ostree_fetcher_uri_clone (OstreeFetcherURI *uri);

OstreeFetcherURI *_ostree_fetcher_uri_new_path (OstreeFetcherURI *uri, const char *subpath);

OstreeFetcherURI *_ostree_fetcher_uri_new_subpath (OstreeFetcherURI *uri, const char *subpath);

char *_ostree_fetcher_uri_get_scheme (OstreeFetcherURI *uri);

char *_ostree_fetcher_uri_get_path (OstreeFetcherURI *uri);

char *_ostree_fetcher_uri_to_string (OstreeFetcherURI *uri);

gboolean _ostree_fetcher_uri_validate (OstreeFetcherURI *uri, GError **error);

GType _ostree_fetcher_get_type (void) G_GNUC_CONST;

OstreeFetcher *_ostree_fetcher_new (int tmpdir_dfd, const char *remote_name,
                                    OstreeFetcherConfigFlags flags);

void _ostree_fetcher_set_force_anonymous_tmpfiles (OstreeFetcher *fetcher);

int _ostree_fetcher_get_dfd (OstreeFetcher *fetcher);

void _ostree_fetcher_set_cookie_jar (OstreeFetcher *self, const char *jar_path);

void _ostree_fetcher_set_proxy (OstreeFetcher *fetcher, const char *proxy);

void _ostree_fetcher_set_client_cert (OstreeFetcher *fetcher, const char *cert_path,
                                      const char *key_path);

void _ostree_fetcher_set_tls_database (OstreeFetcher *self, const char *tlsdb_path);

void _ostree_fetcher_set_extra_headers (OstreeFetcher *self, GVariant *extra_headers);

void _ostree_fetcher_set_extra_user_agent (OstreeFetcher *self, const char *extra_user_agent);

guint64 _ostree_fetcher_bytes_transferred (OstreeFetcher *self);

void _ostree_fetcher_request_to_tmpfile (OstreeFetcher *self, GPtrArray *mirrorlist,
                                         const char *filename, OstreeFetcherRequestFlags flags,
                                         const char *if_none_match, guint64 if_modified_since,
                                         guint64 max_size, int priority, GCancellable *cancellable,
                                         GAsyncReadyCallback callback, gpointer user_data);

gboolean _ostree_fetcher_request_to_tmpfile_finish (OstreeFetcher *self, GAsyncResult *result,
                                                    GLnxTmpfile *out_tmpf,
                                                    gboolean *out_not_modified, char **out_etag,
                                                    guint64 *out_last_modified, GError **error);

void _ostree_fetcher_request_to_membuf (OstreeFetcher *self, GPtrArray *mirrorlist,
                                        const char *filename, OstreeFetcherRequestFlags flags,
                                        const char *if_none_match, guint64 if_modified_since,
                                        guint64 max_size, int priority, GCancellable *cancellable,
                                        GAsyncReadyCallback callback, gpointer user_data);

gboolean _ostree_fetcher_request_to_membuf_finish (OstreeFetcher *self, GAsyncResult *result,
                                                   GBytes **out_buf, gboolean *out_not_modified,
                                                   char **out_etag, guint64 *out_last_modified,
                                                   GError **error);

G_END_DECLS

#endif
